420904080

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{194863}}^1$

素因数の和:194885

約数の個数: 80

約数和(自身を含む): 1449788160

約数和(自身を除く): 1028884080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 194863, 389726, 584589, 779452, 974315, 1169178, 1558904, 1753767, 1948630, 2338356, 2922945, 3117808, 3507534, 3897260, 4676712, 5261301, 5845890, 7015068, 7794520, 8768835, 9353424, 10522602, 11691780, 14030136, 15589040, 17537670, 21045204, 23383560, 26306505, 28060272, 35075340, 42090408, 46767120, 52613010, 70150680, 84180816, 105226020, 140301360, 210452040, 420904080]

約数ペア:

[(1, 420904080), (2, 210452040), (3, 140301360), (4, 105226020), (5, 84180816), (6, 70150680), (8, 52613010), (9, 46767120), (10, 42090408), (12, 35075340), (15, 28060272), (16, 26306505), (18, 23383560), (20, 21045204), (24, 17537670), (27, 15589040), (30, 14030136), (36, 11691780), (40, 10522602), (45, 9353424), (48, 8768835), (54, 7794520), (60, 7015068), (72, 5845890), (80, 5261301), (90, 4676712), (108, 3897260), (120, 3507534), (135, 3117808), (144, 2922945), (180, 2338356), (216, 1948630), (240, 1753767), (270, 1558904), (360, 1169178), (432, 974315), (540, 779452), (720, 584589), (1080, 389726), (2160, 194863)]